Home / 787,968,267.20-1,181,952,400.80-477,575,230.40

Finding the Fourth Proportional to 787,968,267.20, 1,181,952,400.80 and 477,575,230.40

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Solution

The fourth proportional to 787,968,267.20, 1,181,952,400.80 and 477,575,230.40 is: 716,362,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,968,267.20 : 1,181,952,400.80 = 477,575,230.40 : x
  2. Step 2: Convert to fraction form
    787,968,267.20/1,181,952,400.80 = 477,575,230.40/x
  3. Step 3: Cross multiply
    787,968,267.20x = 1,181,952,400.80 × 477,575,230.40
  4. Step 4: Simplify right side
    787,968,267.20x = 564,471,190,133,893,120
  5. Step 5: Solve for x
    x = 564,471,190,133,893,120/787,968,267.20
  6. Step 6: Final answer
    x = 716,362,845.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.